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Additive manufacturing of an aluminum matrix composite reinforced with nanocrystalline high-entropy alloy particles
Published in Elsevier Ltd
2017
Volume: 679
   
Pages: 193 - 203
Abstract
In the present work, a metal-metal composite consisting of aluminum-magnesium alloy AA5083 matrix and nanocrystalline CoCrFeNi high-entropy alloy reinforcement particles in 12 vol% was successfully friction deposited in multiple layers. The layer interfaces or the reinforcement/matrix interfaces showed no brittle intermetallic formation – thanks to the inert nature as well as the high strength and hardness of the high-entropy alloy reinforcement particles. The composite showed significantly higher tensile and compressive strengths as compared to standard wrought-processed alloy AA5083-H112 and offered a much better combination of strength and ductility when compared to conventional aluminum matrix composites reinforced with ceramic particles. The current study establishes friction deposition as a viable technique for additive manufacturing of novel high-performance composite materials. © 2016 Elsevier B.V.
About the journal
JournalData powered by TypesetMaterials Science and Engineering A
PublisherData powered by TypesetElsevier Ltd
ISSN09215093
Open AccessNo
Concepts (26)
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    3d printers
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    Aluminum
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    Aluminum alloys
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    Aluminum coatings
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    Ceramic matrix composites
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    Compressive strength
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    Deposition
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    Entropy
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    Friction
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    High strength alloys
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    Magnesium alloys
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    Manufacture
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    Metallic matrix composites
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    Nanocrystalline alloys
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    Nanocrystals
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    Reinforcement
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    Tribology
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    ALUMINUM - MAGNESIUM ALLOYS
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    Aluminum matrix composites
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    HIGH ENTROPY ALLOYS
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    HIGH-PERFORMANCE COMPOSITE MATERIALS
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    INTERMETALLIC FORMATION
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    METAL-METAL COMPOSITES
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    REINFORCEMENT PARTICLES
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    STRENGTH AND DUCTILITIES
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    PARTICLE REINFORCED COMPOSITES